Are you looking to enhance your marine projects with top-quality self-closing valves? With so many factories in China, choosing the right one can feel overwhelming. Understanding the differences between the leading manufacturers is crucial for ensuring reliability and performance in your marine applications. By knowing the best options available, you can save time, reduce costs, and ensure your projects meet the highest standards. Dive into our comprehensive comparison of the top self-closing valve factories in China, and discover the perfect partner for your needs. Keep reading to find out which manufacturers stand out from the rest!

Marine Valves Supplier, China Marine Valve Manufacturer – Hi-Sea Marine

Product Details: Marine valves manufactured by Chongqing Hi-Sea Marine Equipment, specializing in various types including globe valves, check valves, and more, made from materials like cast iron, bronze, and stainless steel.

Technical Parameters:
– Pressure range: 0.5Mpa to 6.0Mpa
– DN size: 15mm to 1200mm

Application Scenarios:
– Marine applications requiring reliable valve solutions
– Industrial settings where fluid control is essential

Pros:
– Wide range of valve types and materials available
– Compliance with international standards (JIS, DIN, API, GB)

Cons:
– Potentially high cost depending on material and type
– Specific certifications may be required for certain applications

Self Closing Valve Supplier, China GB Marine Valve Manufacturer – Hi …

Product Details: The sounding self-closing valve is installed on the pipeline of the low-pressure gas system of the ship. It automatically closes under pressure loss and must be manually opened without electricity or other external power.

Technical Parameters:
– Automatically closes under pressure loss
– Manual opening required

Application Scenarios:
– Low-pressure gas systems on ships
– Connections between pipelines and rubber hoses

Pros:
– Enhances safety by preventing gas leaks
– No external power required for operation

Cons:
– Manual operation needed for opening
– Limited to low-pressure applications

Cast Steel Self-Closing Drain Valve CBM1078-81 Type U – JINBO MARINE

Product Details: Cast Steel Self-Closing Drain Valve CBM1078-81 Type U, made of cast steel, suitable for various marine applications.

Technical Parameters:
– Design Standard: CBM1078-81
– Test Standard: GB600

Application Scenarios:
– Used on pipe systems with sea water, fresh water, fuel oil, lubrication oil.
– Applicable in marine and offshore industries.

Pros:
– Durable construction with bronze and cast steel materials.
– Self-closing mechanism enhances safety and efficiency.

Cons:
– Limited to specific mediums (sea water, fresh water, oils).
– Potentially higher cost compared to non-self-closing valves.

China self closing globe valve Manufacturers Factory Suppliers

Product Details: Self Closing Globe Valve

Technical Parameters:
– High quality and reliable performance
– Meets national standards

Application Scenarios:
– Oil and gas industry
– Chemical and petrochemical applications

Pros:
– Durable and efficient design
– Low leakage to international standards

Cons:
– Potentially higher initial cost
– Requires regular maintenance

Marine Cast Steel Self-Closing Drain Valve CB/T601-92 Type F – JINBO MARINE

Product Details: Marine Cast Steel Self-Closing Drain Valve CB/T601-92 Type F

Technical Parameters:
– Material: Bronze, Cast Steel
– Standards: CB/T601-92, Test Standard: GB600

Application Scenarios:
– Used on the pipe system with medium sea water
– Used with fresh water, fuel oil, lubrication oil

Pros:
– Durable materials for marine applications
– Self-closing mechanism for safety

Cons:
– Limited to specific medium types
– Potentially higher cost due to material quality

China self closing valve marine Manufacturers Factory Suppliers

Product Details: Self closing valve marine designed for marine applications, ensuring safety and efficiency.

Technical Parameters:
– Material: Bronze
– Pressure Rating: 10000 psi

Application Scenarios:
– Marine vessels
– Industrial applications

Pros:
– High-quality construction
– Safety and reliability

Cons:
– Potentially higher cost
– Limited availability in some regions

Marine Self Closing Valve – Hi-Sea Marine

Product Details: Marine Self Closing Valve is widely used in water, oil, gas and other pipelines, serving as an important safety device in ship equipment. It ensures that the ship does not sink when it floods and automatically cuts off the fuel supply in case of fire.

Technical Parameters:
– Modes of operation: press and handle
– Main materials: bronze, cast steel, stainless steel

Application Scenarios:
– Used in ship equipment to prevent flooding
– Used in fuel supply systems to reduce fire risk

Pros:
– Works automatically without manual intervention, preventing accidents caused by…
– Good closure effect, effectively preventing liquid or gas leakage

Cons:
– Requires maintenance to ensure proper functioning
– Potentially higher initial cost compared to manual valves

Sounding Self-Closing Valve CB/T3778-1999 – JINBO MARINE

Product Details: Sounding Self-Closing Valve CB/T3778-1999, made of bronze, designed for marine applications.

Technical Parameters:
– Standards: CB/T3778-1999, CBM1128-82, JIS F3018
– Hydraulic test pressure: 0.3Mpa for 5 minutes; Seal test pressure: 0.2Mpa for 5…

Application Scenarios:
– Marine industry for sounding applications
– Offshore industry for fluid management

Pros:
– Durable bronze construction
– Meets international standards

Cons:
– Limited to specific marine applications
– Requires regular testing and maintenance

Sounding Self-Closing Valve – China Sounding Self-Closing Valve …

Product Details: Sounding self-closing valve is used on the sounding pipe system of the water/oil tank of vessel or offshore platform.

Technical Parameters:
– Standard: CB/T3778-1999, JIS F3018
– Test: Hydraulic Test–0.3Mpa & last 5minutes; Seal Test—0.2Mpa & last 5minutes

Application Scenarios:
– Used in the sounding pipe system of vessels
– Applicable for offshore platforms

Pros:
– Durable construction with bronze and nodular iron materials
– Self-closing feature enhances safety and efficiency

Cons:
– Limited to specific applications in marine environments
– Potential for corrosion if not maintained properly

Sounding Self-Closing Valve – DQ Marine

Product Details: Sounding Self-Closing Valve is used on the sounding pipe system of the water/oil tank of vessel or offshore platform.

Technical Parameters:
– Standard: CB/T3778-1999, JIS F3018
– Test: Hydraulic Test–0.3Mpa & last 5 minutes; Seal Test—0.2Mpa & last 5 minut…

Application Scenarios:
– Used in marine vessels for sounding pipe systems
– Applicable in offshore platforms for tank monitoring

Pros:
– Durable construction with bronze and nodular iron materials
– Self-closing feature enhances safety and efficiency

Cons:
– Limited warranty period of 12 months
– Specific to certain tank systems, may not be universally applicable

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Comparison Table

Company	Product Details	Pros	Cons	Website
Marine Valves Supplier, China Marine Valve Manufacturer – Hi-Sea Marine	Marine valves manufactured by Chongqing Hi-Sea Marine Equipment, specializing in various types including globe valves, check valves, and more, made fr…	– Wide range of valve types and materials available – Compliance with international standards (JIS, DIN, API, GB)	– Potentially high cost depending on material and type – Specific certifications may be required for certain applications	hiseamarine.com
Self Closing Valve Supplier, China GB Marine Valve Manufacturer – Hi …	The sounding self-closing valve is installed on the pipeline of the low-pressure gas system of the ship. It automatically closes under pressure loss a…	– Enhances safety by preventing gas leaks – No external power required for operation	– Manual operation needed for opening – Limited to low-pressure applications	www.hiseamarine.com
Cast Steel Self-Closing Drain Valve CBM1078-81 Type U – JINBO MARINE	Cast Steel Self-Closing Drain Valve CBM1078-81 Type U, made of cast steel, suitable for various marine applications.	– Durable construction with bronze and cast steel materials. – Self-closing mechanism enhances safety and efficiency.	– Limited to specific mediums (sea water, fresh water, oils). – Potentially higher cost compared to non-self-closing valves.	www.jinbomarine.com
China self closing globe valve Manufacturers Factory Suppliers	Self Closing Globe Valve	– Durable and efficient design – Low leakage to international standards	– Potentially higher initial cost – Requires regular maintenance	www.fluid-valvestech.com
Marine Cast Steel Self-Closing Drain Valve CB/T601-92 Type F – JINBO MARINE	Marine Cast Steel Self-Closing Drain Valve CB/T601-92 Type F	– Durable materials for marine applications – Self-closing mechanism for safety	– Limited to specific medium types – Potentially higher cost due to material quality	www.jinbomarine.com
China self closing valve marine Manufacturers Factory Suppliers	Self closing valve marine designed for marine applications, ensuring safety and efficiency.	– High-quality construction – Safety and reliability	– Potentially higher cost – Limited availability in some regions	www.jylaocai-valve.com
Marine Self Closing Valve – Hi-Sea Marine	Marine Self Closing Valve is widely used in water, oil, gas and other pipelines, serving as an important safety device in ship equipment. It ensures t…	– Works automatically without manual intervention, preventing accidents caused by… – Good closure effect, effectively preventing liquid or gas leaka…	– Requires maintenance to ensure proper functioning – Potentially higher initial cost compared to manual valves	en.hiseamarine.com
Sounding Self-Closing Valve CB/T3778-1999 – JINBO MARINE	Sounding Self-Closing Valve CB/T3778-1999, made of bronze, designed for marine applications.	– Durable bronze construction – Meets international standards	– Limited to specific marine applications – Requires regular testing and maintenance	www.jinbomarine.com
Sounding Self-Closing Valve – China Sounding Self-Closing Valve …	Sounding self-closing valve is used on the sounding pipe system of the water/oil tank of vessel or offshore platform.	– Durable construction with bronze and nodular iron materials – Self-closing feature enhances safety and efficiency	– Limited to specific applications in marine environments – Potential for corrosion if not maintained properly	www.dqmarine.com
Sounding Self-Closing Valve – DQ Marine	Sounding Self-Closing Valve is used on the sounding pipe system of the water/oil tank of vessel or offshore platform.	– Durable construction with bronze and nodular iron materials – Self-closing feature enhances safety and efficiency	– Limited warranty period of 12 months – Specific to certain tank systems, may not be universally applicable	www.dqmarine.com

Frequently Asked Questions (FAQs)

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1. What are self-closing valves and how do they work?
Self-closing valves are devices that automatically close after being opened, preventing backflow and ensuring safety. They work by using a spring mechanism or gravity to return to the closed position once the pressure is released. This feature is essential in marine applications to maintain system integrity and prevent leaks.

2. Why are self-closing valves important in marine factories?

Self-closing valves are crucial in marine factories as they enhance safety by preventing accidental spills and leaks. They help maintain pressure in systems, protect equipment, and ensure compliance with environmental regulations, making them a vital component in marine operations.

3. How do I choose the right self-closing valve for my needs?

Choosing the right self-closing valve involves considering factors like the type of fluid, pressure requirements, and the specific application. It’s essential to consult with manufacturers or experts to ensure you select a valve that meets your operational needs and complies with industry standards.

4. What materials are commonly used for self-closing valves in marine applications?

Common materials for self-closing valves in marine applications include stainless steel, brass, and various plastics. These materials are chosen for their corrosion resistance, durability, and ability to withstand harsh marine environments, ensuring long-lasting performance.

5. How can I ensure the longevity of self-closing valves in my marine factory?

To ensure the longevity of self-closing valves, regular maintenance is key. This includes routine inspections, cleaning, and timely replacement of worn parts. Additionally, using the right materials and ensuring proper installation can significantly extend the lifespan of your valves.
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